feat: home page banner crud

backend/prisma/schema.prisma

@@ -313,4 +313,34 @@ model Seo {
 
   createdAt         DateTime @default(now())
   updatedAt         DateTime @updatedAt
+}
+
+model HomepageBanner {
+  id Int @id @default(autoincrement())
+
+  title    String?
+  subtitle String?
+
+  mediaType BannerMediaType
+
+  desktopMediaUrl String
+  mobileMediaUrl  String?
+
+  buttonText String?
+  buttonLink String?
+
+  openInNewTab Boolean @default(false)
+
+  textAlignment String? @default("left")
+
+  sortOrder Int @default(1000)
+  isActive  Boolean @default(true)
+
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+}
+
+enum BannerMediaType {
+  IMAGE
+  VIDEO
 }